Flue-cleaner



FLUE CLEANER. APPLICATION 'FILED MAR. 6, 1920.

Patented Nov. 16,- 1920.

INVENTQR UNITED STATES WILLIAM W. EVMS, OF SALT LAKE CITY, UTAH.

FLUE-GLEANER.

Specification of Letters Patent. t t 1 2 Application filed Marchfi. 1920. Serial No. 363,717.

T 0 (4Z5 whom it may concern:

Beit known that I, WILLIAM Evens, a citizen of the United States, residing at Salt Lake City, in the county of Salt Lake and State of Utah, have invented new. and useful Improvements in Flue-Cleaners, of which the following is a specification.

My present invention pertains to tools for cleaningflues of boilers and the like, and it contemplates the provision of a device that is simple'in construction and easy to operate and one whereby soot or other foreign matter may be thoroughly removed from the fines of a boiler and the like.

The invention further contemplates the provision of a flue cleaner in which the possibility of the same becoming jammed in the flue, during the cleaning operation, is

r greatly diminished.

- Other objects and advantageous characteristics of the invention will be fully understood from the following description and claims when the same are read in connection with the drawings accompanying and forming part of the specification in whichr- Figure 1 is a longitudinal section illustrating my novel flue cleaning device and relative arrangement of parts Wltli respect to each other. 1 y I Fig. 2 is a detail view of one of the breakers or blades comprised in my novel device.

Fig. 3, is a view illustrating the arrangement of cutting disks on the bolt of the device.

Fig. l is'a detail view of one of my novel sweeping devices.

Fig. 5, is a front elevation of the four post washer, I employ between "the sweeping rings whereby said rings are held in vertical position while carrying the load of dust present in the boiler flue.

Similar numerals of reference designate corresponding parts in all of the views of the drawings.

My novel device comprises the breaker plates 4: andthe cleaning orcutting disks 5 and interposed between each pair of cutting disks are sweeping rings or disks 6 as clearly shown in Fig. 1.

By reference to the drawings it will be seen that the active parts of my device are held in place'by the spacers 3 and interposed between the two sweeping rings is the with the posts or washer 7 that is provided portions 7 Fig. 5.

, the

smaller than the diameter of the flue and in It would be well to state at this point,-

including the sweeping rings and cleaning disks is intended to be run through the flues. Of course, this is optional with the operator of the device.

By reference to Fig. 3, it will'be' seen that the cleaning disks are provided with a .flange 5 at the end of the blade and this flange has the same curvature as the inner surface of the flue, the said disks are flexible and preferably formed of sheet metal and in forcing the device through the flues the ends of the cleaning disks come in contactwith the inner surface of the flue and as they naturally spring back into, place the flange is turned out so as to engage the inner surface of the flue.

By reference to Fig. 3 it will be noted that the various elements of the device are placed in staggered relation with respect to each other on the bolt 1 and this is done so that the blades operate in a manner similar to the teeth of a saw.

It will be noted by reference to Fig. 1

that the device is applied in a flue A, and

the various elements of the device are ar-- ranged on a' bolt or body portion; 1 having a head 1 and in rear of said head, I

provide a collar orguard ring 2. The body 1 is threaded to the collar 8, and said body 1 is secured to the guard or collar 9,'by

means of the interior threads of said collar 1 engaging the threads of the said body. The:

guard 9 is provided with an integral'portion 9 that is interiorly threaded and receives the handle 10 of my novel device.

it will be noticed'from thedrawings that breaker-plates are made somewhat operation they remove a portion of the baked crust, thus making it an easy matter for thecleaning dis is andsweeping rings to perform the further process of cleaning. The disks 6 of my novel device face in opposite directions whereas each the cleaning disks 5 are provided with a flange 5 on each side thereof, and henceit will be manifest that notwithstanding the directions of movementlof the device as a whole within a flue, the sweeping rings and cutting disks will function. It will be. noted further, that the sweeping rings are provided with a circumferential flange on their outer side, said flange being numberedfl The disks 6 are provided in their centers with the opening 6 and said opening is slightly larger than the circumference of the bolt 1 and hence when the device is forced into a flue said disks will not bear at their centers on the bolt but will ride on the'walls of the flue.

I would have it understood that should any part become worn'it is simply necessary to place a wrench on the head of the bolt and'remove the device from the handle and then remove the portion 8 from the bolt when any portion of the device may be displaced from the bolt; the bolt being provided with a key-way on which the key of the breakers and cleaning disks slides.

The washer 7 is designed to hold the sweeping rings vertical and to keep them from falling over while carrying the load.- It w1ll be apparent that I employ but one washer 7 for the reason that it more than one washer were employed between the bottom of the flue.

The cleaning disks as shown at 5 are 1 V in [the flue.

It will be appreciate the foregoing that r novel ClGVJCG will efl'ectuallv remove all incrustations from a boiler fine or the.

' lilm ma 1H1 not only remove the same but will also sweep it from the boiler which is materially advanta nus when it is borne in mind that such foreign matter prevents the proper working of the boiler. I Moreover, the

" fact that the worn parts may be removed claim and desire to secure and replaced with new parts prolongs the life of the tool for an indefinite period of tizneandexperience has demonstrated that the only parts subject to excessive wear are the cleaning disks 5.

The rings and disks may be arranged on the bolt as illustrated or with the sweeping disks immediately behind the breaker plates.

Having described my invention, what I by Letters- Patent is r i 1. In a device for the purpose set forth, the combinationof a headed bolt having a channel formed in the shank thereof, a coli lar on said bolt adjacent the head, abreakerplate'having an aperture in its center with a projection formed therein; said plate being arranged on the bolt in rear of the collar.

' and having sharp beveled edges on its outer surface, a series of cleaning plates arrangedon the bolt in rear of the breaker-plate,sa1d{ plates having flanges formed on theirou'ter ends and faced in two directions, sweeping.

disks arran ed on the bolt in rear of the cleaning disks and havlng a cuttlng flange on their outer circumference; one of said disks being arranged so that its flange points in one direction and the other of the disks being. arranged so that its flange points in a direction opposite that 01"- the first-named disk, a washer interposed between the disks, second series of cleaning plates similar to the first named plates arranged in rear sweeping disks, a breaker plate similar to r the combination of a headed bolt having a threaded end and a longitudinal channel, a collar on said bolt bearing against said bolt, a guard on the threaded end of the bolt, breaker-plates, having portions that extend into the channel of the bolt; said breakerplates being positioned on said bolt between the collar and guard, a series of plates interposed between the breaker-plates, and a pair of disks interposed between the series of plates; said plates and disks being provided at their outer ends with flanges for cuttingand sweeping incrustations. from boiler flues. j

In a device iorremoving incrustations from a boiler, the combination of'a headed bolt having'a longitudinal channel in its shank, a guard secured on said bolt, a handle secured to said guard, breaker plates having cutting edges on their outer surfaces 1 and also having an opening in their center;

a projection in the center of each plate that enters the channel of the bolt when the plates are arranged thereon, sweeping disks interposed between the plates on the bolt and having an opening in their center of slightly larger circumference than the c1r cumierence of the bolt and be ng provided with oppositely directed cutting flanges on their outer ends, a washer interposed between said disks and having outwardlyreaching posts, and series of cleaning plates arranged on the bolt and interposed between each disk and breaker-plates; said cleaning plates having cutting flanges arranged on their outer end and faced in both directions with respect to the length of the bolt; all

of the breakers, disks and plates being arrespect to each other.

' ranged in staggered relation on the bolt with In testimony whereof I have hereunto set".

my hand in presence of two subscribing witnesses. V i .7

WILLIAM H. EVANS; Witnesses: e t i a T. D. WALTON, E. W. LANG. 

